scientific article

zbMath0088.04504MaRDI QIDQ3260666

Géza Freud

Publication date: 1958

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

approximation and series expansion

Related Items

Local and global Lipschitz constants, Constants of strong uniqueness for best uniform approximations on compacta, Dependence on p of the best \(L^ p\) approximation operator, On the real CF-method for polynomial approximation and strong unicity constants, Strong uniqueness and Lipschitz continuity of metric projections: A generalization of the classical Haar theory, Characterization of generalized Haar spaces, The Lipschitz condition for a metric projection operator in the space \(\mathcal C [a,b\)], The correctness problem for best approximations by trigonometric polynomials in the class \(W^r_0H[\omega _c\)], Problem of correctness of the best approximation in the space of continuous functions, A comparison of uniform and discrete polynomial approximation, Orders of strong unicity constants, Existence of pointwise-Lipschitz-continuous selections of the metric projection for a class of Z-spaces, Best local approximations in \(L^ p(\mu)\), Lipschitz conditions on uniform approximation operators, On the Continuity of Best Polynomial Approximations, Metric projection into finitedimensional subspaces of C and L, Spaces with a uniformly continuous metric projection, On the uniform modulus of continuity of the operator of best approximation in the space of periodic functions, The continuity of best approximations, Unicity and strong unicity in approximation theory, Differential properties of the operator of best approximation, The Lipschitz constant of the operator of best approximation, On the distribution of the points of Chebyshev alternation with applications to strong unicity constants, On the continuity of best approximations in the space of integrable functions, Interpolating subspaces in approximation theory, Unboundedness of the Lipschitz constants of best polynomial approximation, The metric projection on the class \(H(\Omega)\) satisfies Lipschitz condition, Weighted best local \(L^ p\) approximation, Lipschitz continuity and strong unicity in G. Freud's work, Bounds for Nearly Best Approximations, The equivalence of the moduli of continuity of the best approximation operator and of strong unicity in \(L^ 1\), The modulus of coninuity of the set-valued metric projection